Ashleigh Kaffenberger
Staff Software Engineer Mobile App Development, IOS & Android Swift, Kotlin at Freelance
Louisville, Kentucky, United States
Summary
👤
Senior🎓
Top SchoolAshleigh Kaffenberger is a Staff Software Engineer specializing in native mobile development with nine years of experience building and scaling iOS and Android apps. She has led architecture modernizations (UIKit to SwiftUI, MVC to MVVM), performance optimizations that improved client speeds by 90% and frame rates by 18%, and backend caching that reduced server CPU usage by 70%. Her work includes rebuilding high-impact apps serving 100k–500k weekly active users, coordinating cross-functional teams, and contributing to Kotlin Multiplatform to streamline cross-platform reuse. Comfortable in both hands-on engineering and technical leadership, she’s delivered CI/CD pipelines, mentored engineers, and driven migrations during acquisitions with measurable cost and performance wins. Now freelancing from Louisville, KY, she’s open to contracts and brings a practical blend of deep iOS expertise, cross-platform strategy, and a proven record of turning legacy systems into maintainable, high-performance products. Outside work she’s an avid motorcyclist and entertainment enthusiast, a detail that reflects her appetite for adventure and focus under pressure.
9 years of coding experience
11 years of employment as a software developer
Bachelor of Science Computer Engineering and Computer Science, Bachelor of Science Computer Engineering and Computer Science at University of Louisville
Github Skills (60)
kotlin10
podfile10
kotlin-coroutines10
swift-nio10
http10
vapor10
cocoa10
server-side-swift10
http-server10
xcframework10
sdk10
kotlin-multiplatform10
swift-package10
swift10
firebase-database10
Programming languages (5)
Github contributions (5)
akaffenberger/firebase-ios-sdk-xcframeworks
Dec 2021 - Jan 2023
A small mirror for https://github.com/firebase/firebase-ios-sdk, to add support for binary (xcframework) distribution with swift package manager.
Contributions:12 releases, 37 reviews, 96 commits in 1 year 1 month
swift-package-managerios-sdkfirebasepackage-managerswift-package
akaffenberger/Carthage
Jun 2021 - Mar 2022
A simple, decentralized dependency manager for Cocoa
Contributions:2 releases, 4 PRs, 11 pushes in 9 months
decentralizeddependency-manageriosmacoscocoa
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.